2020
The Neurobiology of Impulsive Decision-Making and Reinforcement Learning in Nonhuman Animals
Groman SM. The Neurobiology of Impulsive Decision-Making and Reinforcement Learning in Nonhuman Animals. Current Topics In Behavioral Neurosciences 2020, 47: 23-52. PMID: 32157666, DOI: 10.1007/7854_2020_127.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChoice BehaviorDecision MakingDopamineHumansImpulsive BehaviorNeurobiologyReinforcement, PsychologyRewardConceptsImpulsive choiceNonhuman animalsReinforcement learning processSophisticated behavioralImpulsive decisionNeural mechanismsNeuroscience techniquesNeurobiological mechanismsNeuromodulatory systemsBehavioral heterogeneityApplication of reinforcementLearning processNeurochemical basisMental illnessIntegration of reinforcementImpulsivityPathological levels
2019
Orbitofrontal Circuits Control Multiple Reinforcement-Learning Processes
Groman SM, Keistler C, Keip AJ, Hammarlund E, DiLeone RJ, Pittenger C, Lee D, Taylor JR. Orbitofrontal Circuits Control Multiple Reinforcement-Learning Processes. Neuron 2019, 103: 734-746.e3. PMID: 31253468, PMCID: PMC6893860, DOI: 10.1016/j.neuron.2019.05.042.Peer-Reviewed Original Research
2012
Dysregulation of D2-Mediated Dopamine Transmission in Monkeys after Chronic Escalating Methamphetamine Exposure
Groman SM, Lee B, Seu E, James AS, Feiler K, Mandelkern MA, London ED, Jentsch JD. Dysregulation of D2-Mediated Dopamine Transmission in Monkeys after Chronic Escalating Methamphetamine Exposure. Journal Of Neuroscience 2012, 32: 5843-5852. PMID: 22539846, PMCID: PMC3353813, DOI: 10.1523/jneurosci.0029-12.2012.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnalysis of VarianceAnimalsBehavior, AnimalBrainCentral Nervous System StimulantsChlorocebus aethiopsChoice BehaviorDiscrimination LearningDopamineDopamine Plasma Membrane Transport ProteinsDose-Response Relationship, DrugDrug Administration ScheduleFeedback, SensoryHomovanillic AcidMagnetic Resonance ImagingMaleMethamphetaminePositron-Emission TomographyReceptors, Dopamine D2Retention, PsychologyReversal LearningSynaptic TransmissionTime FactorsConceptsInhibitory control deficitsIndividual differencesInhibitory controlStimulus-outcome associationsLike receptor availabilityReversal-learning performancePositive feedback sensitivityStimulant-dependent individualsSubstance abuse behaviorsDopamine transmissionDrug-induced neuroadaptationsControl deficitsSelective impairmentDrugs of abuseDopaminergic neurochemistryEscalating-dose regimenLike receptorsMethamphetamine exposureSubstance dependenceDopamine systemBrain dopamine levelsDopamine transporter availabilityDopaminergic neurotransmissionReceptor availabilityDeficits